CO2 transmitter Sonde HR/CO2

Description
Industrial HR/CO2 probe — professional transmitter for simultaneous measurement of relative humidity and carbon dioxide (CO2) intended for commercial, industrial and HVAC environments. Built for continuous operation to support indoor air quality control, occupant comfort and energy management.

Main functions and features
The probe provides precise, simultaneous measurement of relative humidity and CO2 concentration. Easy integration into automation architectures via analog outputs 0–10 V, 4–20 mA and Modbus RTU interface. Universal 12–24 V DC supply for new installations or retrofit. IP67 enclosure (excluding sensor) for dust and moisture protection; removable/cleanable filter to maintain measurement stability in dusty environments; simplified mounting and maintenance for continuous use.

Available sensors

• INS-TR-CO2-3X5: CO2 transmitter
• INS-TR-HR-CO2-3X6: Humidity + CO2 transmitter

Measurement ranges
CO2: 0 to 5000 ppm / 0 to 10000 ppm
Humidity: 0 to 100%

Outputs and power
Available outputs: 0–10 V / 4–20 mA / Modbus RTU
Supply: 12–24 V DC

Typical applications

• HVAC systems and smart ventilation
• Tertiary buildings and schools
• Offices and public spaces
• Light industry and technical rooms
• Indoor air quality (IAQ) control

Versions and model/interface correspondences

• INS-TR-CO2-305 / INS-TR-HR-CO2-306 = 0-10 V
• INS-TR-CO2-345 / INS-TR-HR-CO2-346 = 4-20 mA
• INS-TR-CO2-365 / INS-TR-HR-CO2-366 = Modbus RTU

Characteristics / technical specifications

• CO2 range: 0–5000 ppm or 0–10000 ppm (depending on version)
• Humidity range: 0–100% (HR version)
• Supply: 12–24 V DC
• Outputs: 0–10 V, 4–20 mA, Modbus RTU (depending on variant)
• Protection rating: IP67 enclosure (excluding sensor)
• Filter: removable/cleanable to maintain measurement stability
• Design: for continuous operation, construction adapted to industrial use
• Mounting: easy installation and maintenance
• Application areas: HVAC, IAQ, smart buildings, light industry
• Available model variants: INS-TR-CO2-305, INS-TR-HR-CO2-306, INS-TR-CO2-345, INS-TR-HR-CO2-346, INS-TR-CO2-365, INS-TR-HR-CO2-366